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Behavior of unstretched nylon 6 fibers subjected to longitudinal and transverse impact
Author(s) -
Cernia E.,
Conti W.
Publication year - 1975
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.1975.070190403
Subject(s) - materials science , composite material , nylon 6 , brittleness , izod impact strength test , deformation (meteorology) , ultimate tensile strength , transverse plane , structural engineering , polymer , engineering
The impact resistance of unstretched fibers of nylon 6 has been measured at impact velocities in the range of 10–20 m/sec by means of a freely falling dart of variable weight. The analysis was made on fibers with a high moisture content, since samples with low moisture content were brittle, as were unstretched fibers of poly(ethylene terephthalate). The observed impact behavior is in line with that predicted by the stress–strain curves obtained on a dynamometer, although it deviates somewhat in the ultimate properties and when the extent of deformation is small. The behavior for small deformation is discussed and a model is proposed.